module.exports = function (sql, params = null) {
    const mysql = require('mysql');
    const conn = mysql.createConnection({
        host: 'localhost',
        user: 'root',
        password: '123456',
        database: 'biggerevent'
    });

    conn.connect();

    return new Promise( (resolve, reject) => {
        conn.query(sql, params, (err, result) => {
            err ? reject(err) : resolve(result);
        });
        conn.end();
    }).catch( err => {
        console.log(err.sqlMessage);
    })
}

